Screw-Type Compressor Unit for LPG: VDM № 667.315 (700 m³/hour)

Screw-Type Compressor Unit for LPG pumping with a capacity of 700 m³/hour. Made in Germany

Technical Characteristics

  • Design pressure 18 bar;

  • Compressor capacity at a differential pressure of 7 bar is 700 m³ / h;

  • Explosion protection class EExII;

  • Explosion-proof electric motor 90 kW, 3000 rpm;

  • The maximum rotation of the compressor shaft is 9000 rpm;

  • Maximum differential pressure is 10 bar;

  • Minimum screw compression ratio is 1: 3;

  • Compressor unit RC700LPG;

  • The screw compact module is equipped with a multifunctional unit, which includes an oil thermostat, an oil filter, separator cartridges for fine filtering, a minimum pressure valve, a back-pressure valve with a return oil line and a sight glass. The preliminary residual oil content in the gas is 1-3 mg per 1 m³ of gas;

  • Coupling with plug for inlet pressure sensor;

  • Coupling with plug for outlet pressure sensor;

  • Sensor for monitoring the oil level in the compressor cavity;

  • Coupling with a plug for the level sensor in the trap at the VEGASWING input;

  • Temperature sensor PT100 of the working cavity of the compressor;

  • Safety relief valve on the discharge line 16 bar;

  • Four-way ball valve for changing the direction of movement of the product;

  • Strainer on the suction line;

  • Liquid phase and condensate Trap at the inlet;

  • Pressure gauges at the inlet and outlet of the compressor;

  • Connections: input and output flanges DN80, DIN2635.


  • Minimum pressure sensor;

  • Maximum pressure sensor;

  • Sensor in the Trap;

  • Differential pressure sensor.

Electrical control panel for compressor unit

Basic execution of control panels includes:

  • Main switch on the side wall of the control panel;

  • Current leakage automated device at the input

  • Emergency shutdown system with shock button connection terminals;

  • Frequency converter with smooth start and stop of the motor;

  • Oil Control in the compressor cavity;

  • Terminals for connecting gas and fire sensors;

  • Buttons for unlocking and disabling the signal on the front panel of the shield;

  • Warning lights for unit operation status.

ATTENTION!!! Control panels for placement outside the hazardous area!!!


  • Minimum pressure sensor;

  • Maximum pressure sensor;

  • Sensor in the Trap;

  • Differential pressure sensor